2-3 TSI warm up

What is the x value such that y =15 - 3x and y = 0?

• 15

• 5

• 3

• 0

Put these four fractions in order from smallest to largest: 1/4, 2/3, 4/7, 1/2

• 1/4, 1/2, 4/7, 2/3

• 1/4, 1/2, 2/3, 4/7

• 1/2, 2/3, 1/4, 4/7

• 1/4, 4/7, 1/2, 2/3

On a number line what is the distance between -3/7 and -2/3 ?

• 23/21

• 1/4

• 5/21

• -23/21

An isosceles triangle has two equal sides. If two of the sides are 5 inches and 2 inches how long is the perimeter?

• 19

• 12

• 10

• none of the above

The cylinder below has r = 10 inches and a volume of 6283 cubic inches to the nearest cubic inch. Find the height of the cylinder to the nearest inch.
 $Volume\ =\ \left(pi\right)r^2h$  

• 25

• 3

• 10

• 20

A rocket on a computer screen has a path modeled by the equation h=-t2+3t+10 where t is time in seconds and h is the height above a platform and is in computer units. Find how long the rocket takes to reach the platform.

• 2

• 10

• 12

• 5

In the diagram below, which line has a positive slope?

• AB

• AD

• AC

• DB